| ''' |
| Tests for commands module |
| Nick Mathewson |
| ''' |
| import unittest |
| import os, tempfile, re |
| |
| from test.test_support import TestSkipped, run_unittest, reap_children |
| from commands import * |
| |
| # The module says: |
| # "NB This only works (and is only relevant) for UNIX." |
| # |
| # Actually, getoutput should work on any platform with an os.popen, but |
| # I'll take the comment as given, and skip this suite. |
| |
| if os.name != 'posix': |
| raise TestSkipped('Not posix; skipping test_commands') |
| |
| |
| class CommandTests(unittest.TestCase): |
| |
| def test_getoutput(self): |
| self.assertEquals(getoutput('echo xyzzy'), 'xyzzy') |
| self.assertEquals(getstatusoutput('echo xyzzy'), (0, 'xyzzy')) |
| |
| # we use mkdtemp in the next line to create an empty directory |
| # under our exclusive control; from that, we can invent a pathname |
| # that we _know_ won't exist. This is guaranteed to fail. |
| dir = None |
| try: |
| dir = tempfile.mkdtemp() |
| name = os.path.join(dir, "foo") |
| |
| status, output = getstatusoutput('cat ' + name) |
| self.assertNotEquals(status, 0) |
| finally: |
| if dir is not None: |
| os.rmdir(dir) |
| |
| |
| def test_main(): |
| run_unittest(CommandTests) |
| reap_children() |
| |
| if __name__ == "__main__": |
| test_main() |